Best and worst IPOs of 2012

The 2012 IPO story was about more than just Facebook. Here are the best and worst overall performers this year, factoring in both first-day moves and 6-month performance.

Best IPOs: Splunk
best ipos 2012 splunk
IPO date: 4/19/12

Big data made a big splash in 2012, and Splunk (SPLK) was there to take advantage of it. The company searches and processes large amounts of data for clients like Bank of America and Comcast, providing them with valuable insights and hard numbers.

Even though it was an unprofitable, little known business-to-business startup at the time, it had an explosive debut on the NYSE in April. Shares shot up 109% on their first day. Trading in the stock was so intense, it tripped an NYSE circuit breaker put in place to curb volatile trading. Six months after the IPO, Splunk shares were still up an impressive 85%.

  @FortuneMagazine - Last updated December 26 2012 05:55 AM ET
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